PDF malware analysis — malicious · b2c0643d1ded1aaa

MALICIOUS

PDF

43.2 KB Created: 2020-11-06 12:51:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-15

MD5: d5cb2fbe9dd351a16cd97a3cf0bb328b SHA-1: 2b98a46a4a5cff14a3810824952db9524be43f27 SHA-256: b2c0643d1ded1aaa848934eb8424e097fa34a0717a7e799017b7a71aa7fcd9cd

66 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://traffset.ru/123?keyword=100+year+calendar+date PDF link annotation
- https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/5cb58f04.pdfIn PDF document text
- https://donodofi.weebly.com/uploads/1/3/1/8/131856097/7279288.pdfIn PDF document text
- https://jiwozipepogi.weebly.com/uploads/1/3/4/4/134462700/kupajopevipibep-xizapiparo.pdfIn PDF document text
- https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/120292114b.pdfIn PDF document text
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/xomaseru.pdfIn PDF document text
- https://lilepixot.weebly.com/uploads/1/3/4/4/134462463/9083196.pdfIn PDF document text
- https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/78292.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/175278a9-ed57-4bc4-89e8-9a192f24987b/gewipizexilisuwubida.pdfIn PDF document text
- https://s3.amazonaws.com/gurowozenupifi/16096135540.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/bivamofovazaxid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9de5659e-41b8-470f-bb10-7b66d5729d41/want_u_back_lyrics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eff5f8bc-4f09-457b-84a0-777fee25aca5/jutuwolofetoruzom.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b91.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B91	4956 bytes
SHA-256: `4eb09b5a9e86ded7a084e7ad923b1c385a976546b9448bbcac36327e9e6674a0`
`font_01_sfnt_off00007c83.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C83	10588 bytes
SHA-256: `8151ef2c46b9c4158b973c29731df42aad30cf225b601575487fb787a254c90a`

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